... downlight: 1,Long operating lifespan: more than 50,000hours2,High color rendering index with great directionality3,Fast turn on,no ... control, 72hours aging test and complete inspection before shipping.6,High luminous intensity, low light degradation.7,Wide input voltage -AC85 ... -60Hz .Worldwide usage.8,Ideal heat dissipation design with high quality.9,All size,shape,color,brightness,can be customized ...